Home / 69,790,819.90-104,686,361.07-28,805,302.66

Finding the Fourth Proportional to 69,790,819.90, 104,686,361.07 and 28,805,302.66

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Solution

The fourth proportional to 69,790,819.90, 104,686,361.07 and 28,805,302.66 is: 43,208,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,790,819.90 : 104,686,361.07 = 28,805,302.66 : x
  2. Step 2: Convert to fraction form
    69,790,819.90/104,686,361.07 = 28,805,302.66/x
  3. Step 3: Cross multiply
    69,790,819.90x = 104,686,361.07 × 28,805,302.66
  4. Step 4: Simplify right side
    69,790,819.90x = 3,015,522,314,694,917.50
  5. Step 5: Solve for x
    x = 3,015,522,314,694,917.50/69,790,819.90
  6. Step 6: Final answer
    x = 43,208,008.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.